36,10 → 36,11 |
#include <stdio.h> |
#include <unistd.h> |
#include <io/printf_core.h> |
#include <futex.h> |
|
int vprintf_write(const char *str, size_t count, void *unused); |
atomic_t printf_futex = FUTEX_INITIALIZER; |
|
int vprintf_write(const char *str, size_t count, void *unused) |
static int vprintf_write(const char *str, size_t count, void *unused) |
{ |
return write(1, str, count); |
} |
51,9 → 52,13 |
*/ |
int vprintf(const char *fmt, va_list ap) |
{ |
struct printf_spec ps = {(int(*)(void *, size_t, void *))vprintf_write, NULL}; |
return printf_core(fmt, &ps, ap); |
|
struct printf_spec ps = {(int(*)(void *, size_t, void *)) vprintf_write, NULL}; |
|
futex_down(&printf_futex); |
int ret = printf_core(fmt, &ps, ap); |
futex_up(&printf_futex); |
|
return ret; |
} |
|
/** @} |